Arizona Trailblazers Hiking Club
Anderson Mesa Day Hike
when June 28, 2025 Saturday
Trip Report : August 14, 2010
  Trip Report : June 25, 2005
where Flagstaff
the hike     Plentiful wildlife and great views of the San Francisco Peaks are the major features of this Flagstaff section of the Arizona Trail. We’ll begin at the Lowell Observatory trailhead. Most of the trail winds across Anderson Mesa, a broad grassy upland dotted with widely spaced trees. The open character of the terrain here provides excellent opportunities to view the area’s wildlife residents. Anderson Mesa supports a rich and diverse community of wild animals some of the larger and more visible are elk, mule deer, whitetail deer, wild turkey, Abert’s squirrels, coyotes, and pronghorn antelope. Finish the one-way hike at Horse Lake trailhead.
distance 8 miles
EC -600' elevation change
elevations 7228' (Lowell Observatory) to 6800'
time 4-5 hours
rating "B"     Rate yourself as a hiker.
on trail 100% — Arizona Trail
dogs? no
type one way
starting at
USGS Observatory Trailhead 35° 6.012' N,  111° 32.143' W  [NAD27]
ending at
Horse Lake trailhead
cost Sharing gas expenses with the driver.
The club also allows voluntary contributions of $5 per non-member.
weather Flagstaff
leader    Email the leader to confirm.
meet in
Phoenix
6:30 AM in the McDonald’s carefree off I -17 at 3140 W Carefree Hwy, Phoenix, AZ 85086.
meet in
Flagstaff
If you are meeting us in Flagstaff, be at the Horse Lake trailhead, by 9:00.
Horse Lake trailhead which is reach by taking I-17 north to exit 339 for Lake Mary Road and proceeding right/south for 17.0 miles to Ashurst Lake road where you turn left and proceed 0.9 miles to the trailhead parking.
drive     Take I-17 to Flagstaff. Get off at Lake Mary Road (county highway 3), exit 339. Turn right for 17.0 miles to Ashurst Lake road where you turn left and proceed 0.9 miles to the trailhead parking.
    We’ll leave most of the cars at Horse Lake trailhead, where the hike ends. Go back to Lake Mary Road, turn left and drive 4.0 miles, alongside Lower Lake Mary, to the paved Marshall Lake Road going uphill on the left. Take that road up Anderson Mesa 1.25 miles to the sign for Lowell Observatory. Go straight ahead on FR 128 and continue 1.0 miles to a fork in the road. Marshall Lake is just ahead of you. Turn left and drive 0.3 miles to Marshall Lake Trailhead, where the hike begins.

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updated June 14, 2025 © Copyright 2025, Arizona Trailblazers.  All rights reserved.